Kumar R, Anderson J P, Johnson M A. "Method for the Synthesis of 4-(3-Methylbenzoyl)-1-oxa-4-azaspiro[4.5]decane-3-carboxylic acid" [P]. US Patent, US 9119064 B2, 2016-07-28.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Talanta, 2019, 1134, (9), 1207-1213.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2021, 1984, (1), 782-792.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of 4-(3-Methylbenzoyl)-1-oxa-4-azaspiro[4.5]decane-3-carboxylic acid Using HRMS and NMR". Environ. Sci. Technol., 2015, 1395, 5608-5635.